The Alloy combines the impeccable sound of powerful neodymium drivers with the take-anywhere convenience of advanced Bluetooth Technology! The sleek metal earbuds are engineered with built-in magnets and groundbreaking Magnetic Sensors that allow you to control your music and calls simply by attaching and separating the earbuds! The magnets also allow easy access by locking the earphones around your neck, so theyre always within reach. Experience a whole new level of wireless freedom!